Introducing all new O.S. SPEED R21 EURO 3!!!
O.S.SPEED R21 EURO 3(1FP00)
O.S.SPEED R21 EURO 3 Combo Set (1FP01)
TR03 EFRA2196 & MR05
We have achieved an overall increase in power output while maintaining the smooth, flat power characteristics of O.S. SPEED R21 EURO2. The cylinder liner features a newly designed 7-port, while the piston gets a special treatment to reduce the risk of seizure and enhance durability. Low-to-mid range has been improved by optimizing the counterweight of the crankshaft.
Additionally, the outerhead features a new design that boosts cooling performance.
Spec---------------------------
Displacement： 3.49 cc / 0.213cu.in.
Bore : 16.08mm / 0.633 in.
Stroke : 17.20mm / 0.677 in.
Output : 2.80 ps / 2.76 hp / 35,000 r.p.m.
Practical RPM range : 4,000-45,000 r.p.m.
Engine Weight : 337g / 11.89 oz.
Includes---------------------------
Glow plug T-RP7
Reducer φ8.5
Exhaust seal ring
Dust cap set 3mm/16mm/18mm(one each)
Tapered collet
Features
Outer head’s all new design fins with improved heat management.
The cylinder liner features a newly designed 7-port. Piston got a special treatment to reduce the risk of seizure and enhance durability.
Low-to-mid range has been improved by optimizing the counterweight of the crankshaft.
We applied Ceramic balls for the rear bearing for quicker response of low range.
For the dust cover, to avoid fuel leakage and dust with “Dust cover ring”.
Combo set comes with TR03 EFRA2196 silencer & MR05 manifold.
Photo gallery
